Results 1 to 10 of about 128,830 (335)

Web-based survey of consumer preferences for the visual appearance of meat from suckling kids [PDF]

open access: yes, 2019
Most suckling kids are raised on farms oriented toward cheese production, and many goat farmers’ rear kids with milk replacers. The aim of the current study was to investigate the consumer preferences for the visual appearance of meat from suckling kids
Alcalde Aldea, María Jesús   +3 more
core   +3 more sources

Redefining A in RGBA: Towards a Standard for Graphical 3D Printing [PDF]

open access: yes, 2019
Advances in multimaterial 3D printing have the potential to reproduce various visual appearance attributes of an object in addition to its shape. Since many existing 3D file formats encode color and translucency by RGBA textures mapped to 3D shapes, RGBA
Brunton, Alan   +4 more
core   +2 more sources

Pupil adjustments to illusory perceptions of the light intensity of object surfaces

open access: yesFrontiers in Human Neuroscience
Using infrared eye tracking, we show that when gaze is maintained at the center of one of two equiluminant surfaces of a Cornsweet stimulus, designed by Lotto and Purves, that illusorily appear to be lighter or darker than the other, the eye pupils ...
Bruno Laeng   +5 more
doaj   +1 more source

Colour Text Segmentation in Web Images Based on Human Perception [PDF]

open access: yes, 2007
There is a significant need to extract and analyse the text in images on Web documents, for effective indexing, semantic analysis and even presentation by non-visual means (e.g., audio).
A. Antonacopoulos   +12 more
core   +2 more sources

Effect of Fabric Properties on Optical Parameters of Pigment-Based Inkjet Prints

open access: yesТехнологія і техніка друкарства
The article presents the results of an experimental study on the influence of the physical properties of natural fabrics on the optical characteristics of prints produced by direct inkjet printing with pigment inks. In response to the growing demand for
Катерина Олександрівна Чепурна   +2 more
doaj   +1 more source

The Perception of Lightness in 3-D Curved Objects [PDF]

open access: yes, 1995
Lightness constancy requires the visual system to somehow "parse" the input scene into illumination and reflectance components. Experiments on the perception of lightness for 3-D curved objects show that human observers are able to perform such a ...
Arend, Larry   +2 more
core   +1 more source

As Light as a Whale: Roberto Abbiati’s Una tazza di mare in tempesta and the Presence of Moby-Dick in Contemporary Italian Arts

open access: yesNalans
Ever since Cesare Pavese’s pioneering 1932 translation of Moby-Dick; or, The Whale, Italy has proven particularly receptive to Herman Melville’s masterpiece, which has not only been enthusiastically loved by generations of readers and stimulated the ...
Federico Bellini
doaj   +1 more source

Ecologies of the Imagination: Italo Calvino’s Six ‘Memes’ for the Digital World

open access: yesBetween, 2014
Nel 1984 Italo Calvino fu invitato dalla Harvard University a tenere le famose Charles Eliot Norton Poetry Lectures. Questo invito diede a Calvino l'ooportunità per definire sei proposte, o six memos come nel sottotitolo del manoscritto originale ...
Paolo Granata
doaj   +1 more source

An exponential filter model predicts lightness illusions

open access: yesFrontiers in Human Neuroscience, 2015
Lightness, or perceived reflectance of a surface, is influenced by surrounding context. This is demonstrated by the Simultaneous Contrast Illusion (SCI), where a grey patch is perceived lighter against a black background and vice versa.
Astrid eZeman   +6 more
doaj   +1 more source

A Neural Model of Surface Perception: Lightness, Anchoring, and Filling-in [PDF]

open access: yes, 2003
This article develops a neural model of how the visual system processes natural images under variable illumination conditions to generate surface lightness percepts. Previous models have clarified how the brain can compute the relative contrast of images
Grossberg, Stephen, Hong, Simon
core   +1 more source

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